4541555661148 has 24 divisors (see below), whose sum is σ = 8673856934400. Its totient is φ = 2063482932720.

The previous prime is 4541555661133. The next prime is 4541555661233. The reversal of 4541555661148 is 8411665551454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21406986 + ... + 21618097.

It is an arithmetic number, because the mean of its divisors is an integer number (361410705600).

Almost surely, 2^{4541555661148} is an apocalyptic number.

It is an amenable number.

4541555661148 is a deficient number, since it is larger than the sum of its proper divisors (4132301273252).

4541555661148 is a wasteful number, since it uses less digits than its factorization.

4541555661148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43027497 (or 43027495 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 55.

The spelling of 4541555661148 in words is "four trillion, five hundred forty-one billion, five hundred fifty-five million, six hundred sixty-one thousand, one hundred forty-eight".